<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        /*统一样式风格，实现浏览器兼容性*/
        ul{
            font-size:12px;
            font-family:"宋体";
            list-style: none;
        }
    </style>
</head>
<body>
   <ul>
       <li>你好世界</li>
       <li>你好世界</li>
       <li>你好世界</li>
       <li>你好世界</li>
       <li>你好世界</li>
   </ul>
</body>
</html>